S-3.1.01, r. 1 - Dam Safety Regulation

Full text
51. Subject to section 78, the first dam safety review must be conducted, and the resulting report sent to the Minister, not later than the following date:
(1)  for a dam whose failure consequence category becomes equal to or greater than “moderate” following a review of the classification parameters pursuant to section 11, 31 December of the fifth calendar year following the year in which the owner is informed of a change in either its failure consequence category or its classification;
(2)  for a dam whose failure consequence category is “very low” or “low” and which becomes an associated dam, 31 December of the fifth calendar year following the year in which the owner is informed that the dam has become an associated dam;
(3)  for any other dam, 31 December of the tenth calendar year following the year of completion of construction work on the dam. However, the interval is increased, respectively, to the twentieth and fifteenth calendar year following the year of completion of construction work on the dam for associated dams whose failure consequence category is “very low” or “low”.
For the purposes of section 50 and this section, the year of completion of the work is the year during which the Minister must be advised of the completion of the work as provided in section 10 of the Act.
O.C. 300-2002, s. 51; O.C. 17-2005, s. 9; O.C. 989-2023, s. 38.
51. Subject to the provisions of sections 78 to 80 respecting an existing dam, the first dam safety review must be conducted not later than in the tenth year following the year of dam commissioning. That deadline is postponed to the 15th year and the 20th year for dams in the Low and Very Low Consequence category, respectively.
For the purposes of section 50 and this section, the year of dam commissioning and the year of completion of the work are the years during which the Minister must be advised of the completion of the work as provided in section 10 of the Act.
O.C. 300-2002, s. 51; O.C. 17-2005, s. 9.